Almond blancher Operator: Tends almond-blanching machine that removes skins from almonds. Turns valves to fill kettle of machine with water to...
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Air furnace Operator: Controls gas, oil, coal, electric-arc, or electric induction furnace to melt metal prior to casting. Weighs out specifie...
Tractor crane Operator: Operates diesel-, gasoline-, or electric-powered crane mounted on crawler treads to lift and move material obje...
Chop and frame Operator: Tends automatic machine that cuts shapes wire or fabric-covered wire to form bars, prongs, and buckle frames. Ad...
Pharmaceutical Operator: Controls equipment and tends machines to produce variety of pharmaceutical toilet products or ingredients, per...
Crane And Tower Operator: Determine load weights check them against lifting capacities to prevent overload. Move levers, depress foot pedals, ...
Signal tower Operator: Operates switching equipment in control tower to route train traffic in railroad yard or at switching point, following ...
General Utility Machine Operator: Operates any of following machines and equipment to relieve regular operators engaged in processing c...
Vibrating screen Operator: Tends vibrating or oscillating shaker screens that separate solids from liquids or sift powdered materials into pa...
Slitting machine Operator: Sets up operates slitting machine to cut sheet metal into strips of specified widths. Selects, cleans and installs spacers cutters on arbors and hones cutters with oilstone to remove nicks. Presses button to lower arbor until cutters mesh and measures clearance with feeler gauge. Inserts spacers to adjust spacing to specified tolerance. Signals Overhead Crane Operator 921. 663-010 to lift metal roll to play-out reel or places roll on reel, using overhead chain hoist. Threads sheeting throug...
Shrinking machine Operator: Tends machine that kneads fur felt hat cones to interlock fibers shrink cones by either of following methods. 1 Positions cones on belt that moves cones beneath water sprinkler pipes, between rollers and onto second belt that returns cones to worker. Measures cones, using ruler. Repeats process until cone has shrunk to size s...
Box sealing machine Operator: Sets up and operates machine to spray dry adhesive onto box blank flaps to make self-sealing boxes. Positions secures micro-switches in spray chamber to regulate duration of spraying action, according to size of box, using wrench. Adjusts spray unit controls to regulate mixture, intensity and spread of adhesive on box flaps. Turns crank to...
Separator machine Operator: Tends machine that segregates particles of dry materials, like sand, powdered minerals, feed, resins, and chemicals, into batches of uniform size by sifting through one or more oscillating screens. Bolts or clamps screen of specified mesh to frame, using handtools. Pours or shovels specified quantities of material into hopper...
Exposure Machine Operator: Prints circuit image on photoresist film-laminated panels for use in fabricating printed circuit boards Pcbs , using contact printer. Aligns registers one or more circuit negative films with film-laminated circuit board panel in drawer of contact printer vacuum frame. Activates printer controls to create vacuum secure negative film against circuit board panel. Activates printer to expose negative and panel film to ultraviolet light transfer circuit image onto panel film. Lifts drawer cover and removes Pcb panel negative. May measure light ...
Screen machine Operator: Operates screen machine that folds and bonds edges of vinyl sheets to reinforcing strips punches holes in strips to form shower curtains. Selects roll of vinyl specified on work order, inserts metal cylinder in roll, positions roll in holding brackets of machine and turns knobs to secure cylinder. Fills cylinder with air to prevent slippage of roll during machine operation, using airhose. Cuts lead end of vinyl with scissors to straighten end attaches end to material in machine, using tape. Adjusts guides that fold edges of vinyl solvent release mechanism that se...
Pouncing lathe Operator: Tends machine that abrades hat crowns to impart smooth, finished appearance. Selects specified hat block installs block on machine. Moves lever to clamp block in place pulls hat over block. Starts machine that starts block rotating and force...
Drier Operator: Tends machines that dry packages of dyed or bleached yarn by any of following methods. 1 Removes yarn packages from yarn stand places them on drying-oven rack. Sets temperature control gauges according to specifications pushes rack of yarn into drying oven. 2 Positions loaded yarn stand removed from dyeing machine over hot-air port, using power hoist. Sets controls to d...
Thickener Operator: Tends thickeners that separate waste solids from ore solutions or water, preparatory to recovery of metal or disposal of waste. Turns valves to regulate flow of mixture into thickeners. Inserts indicator into mixture to measure sludge level. Observes operation of equipment, overflow of concentrated metal solution, and flow of sludge from tank. Breaks up sedimentation in troughs with wooden paddle. Prepares sample of sludge for chemical analysis by weighing sample, adding acid to facilitate...
Vacuum filter Operator: Tends rotary drum-filters that separate slurries into liquid filter cake insoluble material
Couples flexible hose or pipe to vat, starts pump and turns valves to regulate flow of slurry to filter tanks. Adjusts controls to regulate rotation speed of drums. Turns valve to regulate pres...
Console Operator: Operates prepress system to electronically assemble images into pages and to retouch make color corrections to page elements to be used in production of lithographic printing plates or gravure cylinders. Enters digitized data, like artists layout, color separations, text, page dimensions and layout instructions, into electronic prepress system computer memory, using components of system like scanner, camera, keyboard, or mouse, or loads floppy disks or tapes containing information into system. Studies layout or other instructions for defining work to be done sequence of...
Gate mortiser Operator: Operates machine to cut gates into window jambs to allow for installation adjustment of sash counterweights after frames are erected. Adjusts distance between saws, using wrench. Positions stops on machine table according to dimensions of jamb specified location of gate. Places jamb on machine table against stops clamps jamb in place. Starts machine, and pulls lever to feed stock into circular saws that cut two parallel slits into jamb to form sides...
Bench boring machine Operator: Tends machine that cuts internal threads in pen or mechanical pencil barrels. Positions aligns pen or pencil barrel in holding device of machine. Inserts threading tap into spindle o...
Data Entry Operator: Operates keyboard or other data entry device to enter data into computer or onto magnetic tape or disk for subsequent entry. Enters alphabetic, numeric, or symbolic data from source documents into computer, using data entry device, like keyboard or optical scanner and following format dis...
Cut out and marking machine Operator: Tends machine that simultaneously trims leather shoe parts to size, punches perforations, and marks stitching outline. Bolts specified die to ram ...
Sulfuric acid plant Operator: Tends automatic equipment that produces sulfuric acid by contact process. Turns valves and moves levers to start & stop flow of liquids gases through converter, heat exchangers, absorber, cooler and related equipment as indicated. Monitors lights, gauges and recording instruments on control panel for defining that temperature, steam pressure and addition...
Grinder Operator: Sets up and operates grinding machines, like surface and universal, carbide, drill, and tool-and-cutter grinders, to sharpen cutting tools to specifications, using blueprints, job orders, and knowledge of abrasives metal properties. Reviews blueprints job orders to plan production sequence. Selects grinding wheel of shape & grade attaches to spindle, using wrenches. Positions and secures cutting tool on machine table, using magnetic chuck or holding fixture, or mounts tool on arbor clamps between centers. Turns handwheels to position table or spindle to...
Radio Station Operator: Operates radio and associated test equipment at aircraft factory radio station to transmit and receive information during flight testing delivery of aircraft. Communicates with Test Pilot 196. 263-042, engineering personnel and others during flight testing to relay information. Observes aircr...
Precision thread grinder Operator: Sets up and operates thread-grinding machine to grind internal or external threads on metal objects, like worm gears and leadscrews, on custom basis, analyzing specifications selecting tooling according to knowledge of thread grinding procedures. Studies blueprint to visualize grinding to be done plans sequence of operations. Selects computes machine settings, like positioning angles, rotation speeds, feed rates and gear ratios, using knowledge of shop mathematics. Selects grinding wheel, gears, and cams, using knowledge of thread type...
Honing machine Operator Semiautomatic: Operates honing machines to hone internal or external surfaces of metal parts, like cylinders, bearings, and connecting rods to specifications, usually on production basis. Obtains such information as dimensions, tolerances and number of parts in run from job order instructions of Machine-Shop Supervisor, Production or Job Setter, Honing
Lifts workpiece manually or with hoist secures it in fixture. Starts machine turns handwheels or engages automatic mechanis...
Slide forming machine Operator: Sets up and operates one or more slide-forming machines to automatically punch, cut, and form metal strips wire by action of opposing rams to fabricate parts, like spring washers, brackets, and clips, specified by sketches, blueprints, and setup charts. Selects cams, forming tools and dies according to setup charts. Aligns & bolts specified cams to shaft, slides to bed and forming tools dies to slides using knowledge of machine operations, product dimensions, vernier calipers, micrometers and gauges. Threads stock t...
Pipe Blanks Cut off saw Operator: Tends machine equipped with multiple abrasive blades that cuts asbestos-cement pipe into blanks in manufacture of pipe couplings. Adjusts spaces abrasive blades to cut pipe to specified lengths, using wrench. Turns crank to set hydraulic lifters that automatically raise blades that cut pipe. Measures diameter of pipe, using tape measure, and turns handwheel to adjust position of pressure-drive roll according to diameter of pipe being cut. Loads pipe onto feed rack by hand, or using monorail hoist, and rolls pipe into posi...
Breaker machine Operator: Tends machine, equipped with crushing rollers or hammers, that reduces corkwood, cork waste, or bark to fine particles. Dumps corkwood, waste, or bark into machine hopper or onto conveyor leading to machine. Removes wooden sticks steel straps to prevent clogging. Starts machine that crushes and grinds material into fine particles and blowers that force ground particles over shaker screens to re...
Drawing machine Operator: Operates drawing kiln to process molten glass into continuous sheet of flat glass. Sets rheostat to control speed of rolls on kiln that draw glass sheet of specified thickness and adjusts setting to maintain thickness, based on gauge or recorder readings during processing. Regulates gas-firing to edges of glass sheet to prevent slippage of sheet from knurl guide wheels. Inspects glass sheet through kiln peephole for defects, like stones blisters, as sheet is drawn vertically by rolls. Signals Balcony...
Charge machine Operator: Operates machine to recharge nuclear reactor in nuclear plant. Reads work orders confers with supervisor to define reactor tube loading sequence. Reads thermometer to make sure that water temperature is at level specified for charging operation. Pushes button to raise charge-discharge machine to specified height for removal of loaded monotubes from wall-storage racks. Turns levers to position m...
Rotary head milling machine Set up Operator: Sets up and operates vertical milling machine with spindle mounted within larger rotary head so that rotating cutter can move anywhere within given circle to mill complex shapes, like arcs tangents, without changing position of ...
Transfer car Operator Drier: Operates transfer car to move carloads of pipe and boiler covering moldings from driers to work storage areas. Presses button to raise door of drier. Pulls pushes carloads of moldings along track out of drier to loading platform. Weighs moldings for moisture content compares weight to wall chart. Places wet...
Geophysical Operator: Plans directs activities of field party engaged in collecting seismic data used in prospecting for oil or gas. Designates location of shot holes and placement of seismometers & connecting cables over blast area according to plot drawn by Surveyor, Geophysical Prospecting petrol. gas
Plans directs activities of workers engaged in laying out seismographic measuring apparatus over test area. Surveys area to verify that equipment is in position specified tests electrical circuits for continuity...
Press Operator Pierce And Shave: Tends automatic press that pierces holes and shaves corners holes of watch parts. Cleans work plate of press, using airhose. Positions part in recesse...
Line Operator: Prepares filled whiskey bottles for packing shipping, performing any combination of following duties. Pastes labels tax stamps on filled whiskey bottles as bottles pass on conveyor. Examines bottles to ascertain that labels stamps have been correctly applied. Straightens labels stamps on bottles...
Filling machine Operator: Tends machine that pumps ink into tubes reservoirs to permeate marking pen fillers or fills ballpoint refills, using any of following methods. 1 Places fillers in tubes and inserts nozzle of filler machine into tube pushes button to start machine that pumps specified amount of ink into tubes. 2...
Iron launder Operator: Tends iron launders that precipitate copper from solution. Signals Overhead Crane Operator any industry 921. 663-010 to load launders with shredded tin cans iron
Starts pumps turns valves to regulate flow of solution through series of la...
Drying room Operator: Tends drier in which bobbins or skeins of synthetic yarn are dried prior to finishing. Hangs bobbins or skeins on poles supported by wheeled frames or by continuous chain conveyor. Moves controls to attain specified temperature in dryer to start chain conveyor...
Concentrator Operator: Controls machines and equipment from instrumented control board to scrub, condition, float, classify, and convey phosphate rock for use in fertilizer phosphoric acid. Monitors recording instruments, gauges, panel lights and other indicators and listens for warning signal to verify conformance to plant standards. Turns screws knobs on control board to adjust flow of reagents, airflow, phosphate-rock feed rate and conveyor belts. Observes flotation tanks to define amount of sand clinging to rock, cyclones to detect presence of solids, and clas...
Trolley car Operator: Drives electric-powered streetcar to transport passengers, collects fares, and gives information to passengers. Drives streetcar in accordance with traffic regulations and observes traffic lights other vehicles on street to avoid accidents. Opens & closes doors and starts stops streetcar...
Packaging And Filling Machine Operator: Tend or operate machine that packages product. Remove finished packaged items from machine separate rejected items. Regulate machine flow, speed, or temperature. Stop or reset machines when malfunctions occur, clear machine jams, and report malfunctions to a supervisor. Secure finished packaged items by hand tying, sewing, gluing, stapling, or attaching fastener. Stock sort product for packaging or filling machine operation, and replenish packaging supplies, like wrapping paper, plastic sheet, boxes, cartons, glue, ink, or labels. Inspect as well...
Chalk extruding machine Operator: Tends automatic extruding machine and cutter that extrude cut to length chalk billets. Loads billet into extrusion die, locks die in p...
Safety grooving machine Operator: Operates machine to clean expansion joint grooves or to cut new grooves in concrete or asphalt pavement, and to rout out cracks in concrete asphalt pavement. Installs cutters in cutterhead mounts cutterhead on cone of main drum shaft, using handtools. Guides machine along joint or crack, sighting throu...
Safety pin assembling machine Operator: Operates battery of automatic machines to twist coil in pointed length of wire and form and attach caps guards to wire to form safety pins. Installs cutting forming dies in machine according to size of pin specified, using handtools. Lifts reels of cap guard metal strip onto feed-reel holders and locks spring clamps to secure reels. Scoops pointed wires into gravity feed hopper starts machine. Observes operation to detect jamming of mechanisms extracts jammed pin par...
Crushing machine Operator: Tends machine that crushes grapes to form must juice, pulp, and skins of grape for use in making wine. Starts machine regulates rate of flow of gr...
Shotblast equipment Operator: Operates equipment to clean dirt, scale, and core materials from steel castings with blasts of steel shot. Presses control panel buttons to adjust equipment settings for manual or automatic operations, length of cycle, sequence timing of various operations and position of oscillator. Moves control to activate tow-mechanism drive to transport trolley loaded with castings into shotblast chamber and watches operation to make sure that hydraulic do...
Chemical Operator: Performs combination of following duties to produce solid-propellant rocket fuel, prepare rocket motor cases for inserting propellant, cast and cure propellant, install propellant ignition components in motor case, prepare assembly for static testing, and pack assembly for shipment. Blends fuel ingredients tends roller mill that grinds mixture to uniform consistency from remote control instrument panel, viewing operations on television monitor. Lowers motor case into degreasing pit filled with solvent, using hoist. Transfers case to sandblasting cabinet and ...
Locomotive crane Operator: Operates crane that travels on railroad tracks to lift move objects. Starts gasoline or diesel engine. Pushes pedals pulls levers to move, control speed and stop crane, turn crane boom and raise or lower cables attached to load. Inspects compares weight of load with lifting capacity of crane to make sure against overloading crane. Moves controls to move position load by sight or at dir...
Dumper bailer Operator: Dumps sand and cement over shot of nitroglycerine in oil or gas wells to provide tamp and bridge protective shielding over area to be shot, using special bailer hoist. Determines amount and consistency of tamping materials cement according to size, depth and similar characteristics of borehole. Selects tools, like packer...
Shaper Operator: Sets up and operates single- or double-spindle shaping machine to cut grooves, rabbets, flutes, or pattern shapes on surface edges of woodstock. Examines drawings, blueprints, or written orders to define cutting pattern. Selects, installs, aligns and adjusts cutterheads, guides and jigs to make specified cuts shapes, using handtools. Starts machine and feeds woodstock with grain of wood into cutterheads, holding pressing stock against guide or jig to obtain specified cut. Measures shaped stock to verify conformance to...
Welding machine Operator Arc: Sets up operates arc machine that welds together parts of fabricated metal products, as specified by blueprints, layouts, procedures, and operating charts. Welds flat, cylindrical, or irregular parts that may be clamped, tack-welded, or otherwise positioned. May position weld line parallel to carriage. Turns cranks or pushes buttons to align electrode on head over weld joint to weld linear joints, or adjust length of radial arm to position electrode over weld joint when radial joints. Clamps cylindrical workpieces onto turning rolls under stationary head to...
Washroom Operator: Tends beet washing equipment elevators that clean sugar beets preparatory to slicing. Starts elevators washing equipment and turns valves to regulate water flow through washing vat. Signal...
Stitcher Operator: Tends machine that stitches staples edges of plain corrugated paperboard box blanks to form boxes. Reads production order to define number of stitches required, turns gauge to specified setting starts machine. Folds box...
Swing type lathe Operator: Sets up and operates swing-type rotary cutting lathe to cut round multishaped wood parts in manufacture of furniture. Examines blueprints, drawings, patterns and specifications to ascertain size shape of finished product. Selects & installs knives on cutterheads on machine spindle arbor, using template, rule, calipers and wrenches; or loosens nuts securing end of lathe opposite drive end of arbor, swings support end to side, slides preassembled cutter heads on arbor according to arrangement of knives on cutterheads and secures cutter...
Pump station Operator: Operates electric, diesel, gas, or automated pumping equipment to pump and route petroleum products through pipelines at main-line or terminal stations according to instructions destination. Turns valves starts engines to pump oil through station. Reads flow & pressure meters and turns valves to vary pumping rate line pressure, according to specifications. Turns handwheel or directs Gauger petrol. gas; petrol. refin. ; to open or close pipeline valves to direct flow of oil to storage tanks according to grade; to di...
Automatic Serging machine Operator: Tends machine that automatically binds edges of articles with serging stitch to reinforce edges, prevent raveling, or give finished appearance....
Pug mill operator Helper: Tends mixing chamber that mixes clay water to make pugged clay. Loads sacks and cakes of clay from storage area onto truck pushes truck to pug mill. Dumps clay into mixing chamber...
Automatic Winder Operator: Tends automatic yarn-winding machine, equipped with stationary or traveling knotter traveling winding units that move around machine, to transfer yarn from bobbins to cones or tubes. Places bobbins in pockets of feeder magazine pulls ends of yarn over suction tube opening through which yarn is drawn into knotter. Observes machine operation signal lights to detect machine malfunctions, exhausting supply ...
Multiple knife edge trimmer Operator: Tends paper-cutting machine that cuts edges of bound and unbound books, periodicals, catalogs, and directories to specified size for binding rebinding. Reads instructions on worksheet to ascertain machine setting requirements. Inserts or replaces knives in trimmer adjusts guides to trim head top , tail bottom and fore front edges of book to specified dimensions and locks sections in place. Starts machine for test run, and examines finished book body to make sure finished sample meets job order specifications bo...
Capacitor pack press Operator: Presses metal capacitor container over paper-wound packs, using power press. Adjusts fixture according to size of capacitor, using handtools. Folds fiber insulation around pack bends electrodes by hand to position electrodes for pressing. Places open end of conta...
Shrimp peeling machine Operator: Sets up and operates peeling machine to behead peel shrimp preparatory to canning or freezing. Spaces peeling rolls on machine, according to size of shrimp to be processed adjusts holding rack bars to intermesh between rolls, using wrenches. Turns thumbscrews to adjust spring tension on holding rack bars, according to shrimp size turns valves to start water flow over rolls. Starts m...
Wing mailer machine Operator: Tends machine that affixes address labels to advertising matter preparatory to mailing. Adjusts wing feed guides to accommodate size of article to be labeled places stack of unlabeled articles between guides. Mounts roll of preaddressed labels onto machine spindle. Fills reservoir with water ...
Boil off machine Operator Cloth: Tends machine that removes dirt, natural gums, and waxes from greige cloth preparatory to further processing. Lifts rolls of cloth to platform at feed-end of machine, using hoist. Inserts rod through center of roll pushes roll onto machine brackets. Sews end of cloth roll to leader in machine, using portable sewing machine. Turns valves to admit caustic solution steam to vats. Sta...
Calculating machine Operator: Computes and records statistical, accounting and other numerical data, utilizing knowledge of mathematics using machine that automatically performs mathematical processes, like addition, subtraction, multiplication, division, and extraction of roots. Calculates statistical, accounting and other numerical data, using calculating machine and posts totals to records, like inventories summary sheets. May verify computations made by other wor...
Multi punch Operator: Operates turret punch press to punch holes or layout marks in metal sheets, plates, strips, or bars, following charts which list machine settings for each cut. Inserts, aligns and locks punches dies in turret, using hammer, shims, feelers, micrometers and setscrews. Places workpiece on table manually or by using crane. Aligns workpiece to scale and end gauge on machine clamps it to machine table. Pushes ...
Coloring machine Operator: Tends one or more tumbling vats that dye felt hat bodies. Dumps hat bodies into perforated tumbler. Pours premixed dye powder into vat & turns valves to admit water a...
Broom machine Operator: Operates machine to bind fibers on cylindrical core to form brushes used on street sweeping machines. Mounts brush core in machine, turns crank to wind specified amount of cable on holding spool and staples end of cable to core, using hammer. Sets spool brake to maintain tension between spool core, using wrench. Aligns carriage wheel...
Spray drier Operator: Operates spray drier to evaporate water from clay slip to form pellets used in production of mosaic quarry, wall floor tile. Connects hose to ball mill drier pump, using wrenches and opens valves. Sets controls on panelboard for specified temperatures & pressure in...
Engraving press Operator: Makes ready and operates press to engrave decorative designs or lettering on announcements, greeting business cards, letterheads, and related items, following operating procedures outlined on job order. Installs appropriate die inking rollers on ram, using wrench. Cuts out fastens paper template to bed of press to maintain flatness of finished cards o...
Garnett machine Operator: Tends machine that reduces rags yarn waste to fiber for reuse. Feeds armfuls of waste into hopper of automatic feeder or opens closes gates of blower pipes or conveyors when waste feeds from other machines. Starts machine wraps end of garnetted web around takeup roller to form lap Ii or threads end of condensed web through coiler head to form sliver. Observes garnetting to detect clogged rollers ...
Bone char Kiln Operator: Controls kilns to reclaim char activated carbon used in filtering corn syrups. Turns valve to admit gas to kilns. Specifies to Bone-Char Kiln Tender chemical temperature to ma...
Mobile crane Operator: Operates gasoline- or diesel-powered crane mounted on specially constructed truck chassis to lift and move materials objects. Drives truck to work site and directs activities of Laborer, Hoisting in placing blocks outriggers to prevent capsizing when lifting heavy loads. Moves levers and pedals to rotate crane on chassis, to raise and lower crane boom, and to raise lower loadline. May oper...
Labeling machine Operator: Tends machine that attaches gummed identification labels to phonograph records. Places labels on machine spindle turns on heating element in ram of machine. Positions record on machine bed presses pedal to start labeling m...
Railway equipment Operator: Operates several types of heavy equipment, like rail-mounted tamping machines, brooms, graders, and ballast cleaning machines to tamp ballast beneath and between ties, to clean tracks, to clean and redistribute ballast, and to grade level ballast on railroad tracks. Pulls levers and depresses pedals to drive machines control attachments, like blades, hydraulic turntables, jack...
Sandwich machine Operator: Tends machine that forms wraps ice cream sandwiches. Attaches tube lines from freezer machine to ice cream forming head, using wrench. Assembles dispenser trays, wafer extruders, sandwich pusher, paper tucker and elevator table to form sandwich of specified size. Threads roll of wrapping paper from spindle through guide rolls to wrapping box. Turns tension screws to obtain desired size wrapper. Starts machine turns valve to star...
Drill sharpener Operator: Operates compressed-air or steam-driven machine to sharpen large drills, like rock drills, used in construction, mining, quarrying, and well-drilling. Places cutting end of drill in forge to heat cutting edge to increase malleability. Inser...
Operator Control Room: Operates control panel to regulate temperature, pressure, rate of flow, and tank level in petroleum refining, processing, and treating units petro-chemical units, according to process schedules. Observes instruments and meters to verify specified conditions records readings. Moves & adjusts dials, switches, valves and levers on control panel to regulate coordinate process variables, like flows, temperatures, pressures, vacuum, time, catalyst and chemicals as specified. Reports malfunctioning equipment to Refinery Operator petrol. Recor...
Stone spreader Operator: Operates stone-spreading machine to lay gravel, stone, and cold-mix asphalt on road surfaces. Hooks spreader to rear of dump truck trips truck tailgate latch. Signals Dump-Truck Driver any industry to h...
Hydrogenation Operator: Controls equipment to process base oils used in manufacture of margarine shortening. Starts pumps to move premeasured batches of refined oils or fats into converter vessel. Turns valves to adjust rate of flow of hydrogen, steam, air and water into converter and weighs & adds specified amounts of catalytic agents other chemicals to harden batch of oils or fats, as required. Tests samples of batch to make sure that hardness of product is in accordance with specifications, using refractometer. Pumps hard...
Sorting grapple Operator: Operates mobile crane equipped with heel-boom and hydraulic grapples to sort stack logs in sorting yard according to species, grade, size, and designated use markings on log. Starts crane engine and moves levers & pedal...
Sorter Operator: Tends sorting mechanism grades green lumber as lumber passes on conveyor to designated racks. Determines length thickness of board by comparing board with gauged marks on machine table. Lifts end of board f...
Skip Operator: Controls scale car larry car skip hoist to transfer raw materials from storage bins to blast furnace. Moves controls of scale car to position car under chute of storage bin. Pulls lever to open bin filling car with raw materials, like iron ore, coke, limestone, or sinter. Drives car o...
Semiconductor Wafers Diffusion Furnace Operator: Tends furnaces that diffuse chemicals into semiconductor wafer surface to alter electrical characteristics of wafer or to protect wafer surfaces. Places semiconductor wafers in containers, like boat or cassette, using vacuum wand or tweezers. Places loaded container on furnace loader, like conveyor, track, sled, or tube. Pushes button to advance wafer containers into furnace or pushes wafer container into furnace tube, using quartz rod. Pushe...
Addressing machine Operator: Operates machine to print addresses, code numbers, and similar information on items, like envelopes, accounting forms, packages, and advertising literature. Positions plates, stencils, or tapes in machine magazine places articles to be addressed into loading rack. Starts machine that automatically feeds plates, stencils, or tapes through mechanism. Adjusts fl...
Beveling machine Operator: Feeds sweatband leathers or cap-visor linings between power-driven roller circular knife to ...
Roller Operator: Drives heavy rolling machine road roller to compact earth fills, subgrades, flexible base, and bituminous surface to grade specifications preparatory to of highways, streets, and runways. Moves levers, depresses pedals, turns handwheels and pushes throttle to control guide machine. Drives machine in successive overlapping passes over surface to be compacted. Determines speed direction of machine, based on knowledge of compressibility of mater...
Component Insertion Operator: Tends computer-controlled machine that automatically inserts electronic components, like resistors, capacitors, diodes, and integrated circuits, into holes of printed circuit boards Pcbs
Inserts specified program tape into machine or types commands on keyboard to enter program that directs machine to insert components in specified sequence location on Pcbs. Positions paper tape reels or plastic tubes containing components into feeding mechanism to load machine. Positions Pcbs on machine bed holding fixtures, starts machine,...
Strong nitric Operator: Controls equipment to increase strength of nitric acid, used in making Tnt nitroglycerin. Regulates flow of sulfuric acid and weak nitric acid into mixing tank controls flow of steam, water, air and mixed acids through dehydrating tower, absorption tower, bleaching tower, still and con...
Zigzag Tunnel elastic Operator: Operates zigzag sewing machine equipped with folder to enclose elastic strip inside fold of fabric at opening. Inserts end of elastic strip edge of into folder. Guides edge of under needle to hem enclose elas...
Monogram machine Operator: Operates sewing machine to embroider name, initial, or decorative designs on garments, household articles, material, or uniforms to stitch cording, braid, or emblems on material or garments, following stamped design or working freehand without guide or markings. Reads work order to define type location of embroidery. Selects size & color thread and draws it through machine guides bobbin. Turns setscrews to regulate machine settings. Positions article under presser foot and presses pedal or knee control to start machine control speed of sewing. Guides fabr...
Custom feed mill operator Helper: Assists Custom-Feed-Mill Operator in milling grain feed to customer specifications. Sacks mill products, load...
Motor patrol Operator: Operates self-propelled grader to spread and level dirt, gravel, and stone, to grade specifications in maintenance of earthwork structures, like highways, streets, airports, dikes, and temporary roads. Drives grader and moves levers to regulate height angle of grader blade, lower scarifier that loosens packed soil to permit grading and to tilt front wheels of grader when making sharp turns. Drives grader in successive passes over work...
Tower crane Operator: Operates tower crane to lift and move building materials from ground storage areas trucks to top of building under
Climbs ladder inside vertically mounted tower to gain access to control pad suspended under crane boom. Pushes or pulls levers on control console to rotate counter-balanced horizontall...
Rubber mill Operator: Operates extruders calender mill to remove moisture from butyl rubber crumbs. Presses buttons on control panel to start conveyors that feed rubber crumbs from drier through extruder into hot mill. Opens breech-lock head on extruder, using wrenches. Removes foreign matter from equipment, using hot hoe wooden tamper. Turns handwheel to adjust space between rollers on ho...
Central office Operator: Operates telephone switchboard to establish or assist customers in establishing local or long-distance telephone connections. Observes signal light on switchboard, plugs cords into trunk-jack and dials or presses button to make connections. Inserts tickets in calculagraph time-stamping device to record time of toll calls. Consults ...
Water treatment plant Operator: Controls treatment plant machines and equipment to purify and clarify water for human consumption for industrial use. Operates controls electric motors, pumps and valves to regulate flow of raw water into treating plant. Dumps specified amounts of chemicals, like chlorine, ammonia and lime into water or adjusts automatic devices that admit specified amounts of chemicals into tanks to disinfect, deodorize and clarify water. Starts agitators to mix chemicals allows impurities to settle to bottom of tank. Turns valves to regulate wa...
Trimming machine Operator: Trims loose threads from edges or seams of articles, like garments, hats, linens, and surgical appliances, using either of following methods. 1 Moves edges or seams of article over stationary cutting head equipped with vacuum attachment that draws threads between reciprocal blades to cut threads. 2 Spreads article on...
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